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Analytical description of the survival probability of coherent states in regular regimes.
(American Physical Society, 2018)
Using coherent states as initial states, we investigate the quantum dynamics of the Lipkin–Meshkov–Glick (LMG) and Dicke models in the semi-classical limit. They are representative models of bounded systems with one- and ...
Positive quantum Lyapunov exponents in classically regular systems.
Quantum chaos refers to signatures of classical chaos found in the quantum domain. Recently, it has become common to equate the exponential behavior of the quantum evolution of out-of-time order correlators (OTOCs) with ...